You can now connect a GCP sources to Overmind by navigating to Settings › Sources › New source.

This release marks a major milestone on our roadmap, delivering one of our most requested features. With support for 100+ adapters and more on the way, we’re continuing to expand coverage — with Azure support being in active development.
— The Blast Radius calculation would not increase in depth as expected
— The Blast Radius now shows the number of affected items and edges